Portable battery-powered grease gun
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 21, 1992
Grant Date -
N/A
app pub date -
Dec 11, 1990
filing date -
Dec 11, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A hand-held grease gun that is battery-powered and fully portable. The grease gun uses a disposable cartridge filled with grease that is under pressure exerted by a spring loaded plunger. Grease from the cartridge is discharged into a chamber containing a piston to draw the grease from the cartridge into the chamber and discharge it through a nozzle whenever the trigger is actuated by the user.
First Claim
Family
International Classification(s)
Cited Art Landscape
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